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| www..com BO LYMIN BG12864A Feature 1. COB with metal frame 2. Built-in controller KS107/108 3. +5V single power supply, with built-in negative voltage 4. 1/64 duty cycle 5. Option: Temperature compensation circuit 6. LED B/L Pins: 19/20, or A/K , or 1/2 7. Option: LED array/edge B/L, EL B/L 8. Option: +3V single power supply 9. Option: negative voltage (built-in, external) Mechanical Data Item Standard Value Module Dimension 93.0 x 70.0 Viewing Area 72.0 x 40.0 Dot Size 0.48 x 0.48 Dot Pitch 0.52 x 0.52 Pin Assignment Pin Symbol 1 2 3 4 5 6 7~14 15 16 17 18 19 20 Vss Vdd Vo D/I R/W E DB0~7 CS1 CS2 /RST Vee A K Unit mm mm mm mm Electronic Characteristics Symbol Condition Typical Unit Value Input Voltage Vdd Vdd = +5V 5.0 V Supply Current Idd Vdd = +5V 9.7 mA LCD Driving 9 Vdd-Vo V 25 oC Voltage LED Forward 4.2 Vf V 25 oC Voltage LED Forward If 330 mA 25 oC Current EL Power Vel Vel=110Vac/400Hz V Voltage Item Function GND + 5V(+3V option) Contrast adjustment Data/instruction Data read/write H -> L Enable signal Data bus line Chip select for IC1 Chip select for IC2 Reset Negative voltage output Power supply for B/L (+) Power supply for B/L (GND) 93.0 0.5 77.2 72.0(VA) 66.52(AA) A Dimension 10.5 13.24 9.2(EL or No B/L) 1.5 2.5 13.1(LED B/L) 9.0(LED B/L) 5.1(EL or No B/L) 6 28.0 0.52 0.48 70.0 0.5 50.2 40.0(VA) 33.24(AA) A 14.0 65.0 0 52 128*64 DOTS 4-O1.0 PTH O O1.0 PTH 1 O2.5 PTH -O6.5 PAD DOT SIZE SCALE 10/1 1.6 2.5 2.5 |
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